877 seems to have it, but I wonder if 73 has it? Also, a 16f73 RC1 is connected to the chip select terminals (A) of six 4066 analog switches. Is there any problem (can it drive six 4066 chip select te...
How much driving time is required for transistors and MOS?Is there a time requirement? But it can be driven within 50us, right? Does it need to be hundreds of us to ms level?For example, transistors S...
I'm working on waveform acquisition, storage and display program recently. I can basically understand the principle. It is to first acquire analog signal and convert it into digital signal through AD,...
I haven't asked questions on eeworld for a long time. . I have a question: After a cold restart on the 6410 platform, the time is not saved and is always 1980. What is the reason? Hardware configurati...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:10[/i] [url=https://bbs.eeworld.com.cn/post.php?action=newthread&fid=57&extra=page%3D20#attachment]Simple inverter circuit.jpg[/url]...
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
In some motion control systems with simple control or low cost requirements, stepper motors are often used as actuators. The biggest advantage of stepper motors in such applications is that they ca...[Details]
With the tense global energy situation and the improvement of human environmental protection awareness, the research and development of power batteries is in full swing around the world. At present...[Details]
With the rapid development of information technology represented by computers, semi-physical simulation technology plays an important role in many military and civilian fields such as aerospace and co...[Details]
In the industrial production process, flow measurement is a widely used measurement physical quantity. In special cases, such as vertical oil wells, when it is not easy to install probes outside the p...[Details]
With the development of my country's economy, environmental pollution caused by energy consumption is becoming more and more serious. Sulfur dioxide and nitrogen oxides emitted from coal-fired flue...[Details]
The active power loss of the power transformer includes two parts: transformer no-load loss and transformer load loss. Under a certain load, the active power loss of the transformer can be expresse...[Details]
LED definition
In the PN junction of some semiconductor materials, when the injected minority carriers recombine with the majority carriers, they release the excess energy in the fo...[Details]